Home / 117,515,378.40-176,301,061.20-56,881,240.80

Finding the Fourth Proportional to 117,515,378.40, 176,301,061.20 and 56,881,240.80

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Solution

The fourth proportional to 117,515,378.40, 176,301,061.20 and 56,881,240.80 is: 85,335,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,378.40 : 176,301,061.20 = 56,881,240.80 : x
  2. Step 2: Convert to fraction form
    117,515,378.40/176,301,061.20 = 56,881,240.80/x
  3. Step 3: Cross multiply
    117,515,378.40x = 176,301,061.20 × 56,881,240.80
  4. Step 4: Simplify right side
    117,515,378.40x = 10,028,223,115,412,736
  5. Step 5: Solve for x
    x = 10,028,223,115,412,736/117,515,378.40
  6. Step 6: Final answer
    x = 85,335,411.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.